Before Parturition

question 157

Multiple Choice

Before parturition,

• A) the placenta secretes increased amounts of oxytocin.
• B) the uterus stretches, causing the release of ACTH from the adenohypophysis.
• C) there is an increase in the stimulatory effects of progesterone on the uterine muscle.
• D) prostaglandin synthesis is inhibited.
• E) fetal glucocorticoids decrease the production of progesterone by the placenta.

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Definitions:

Testable Hypotheses

Statements that make predictions about the relationship between variables, which can be empirically tested through scientific research.

Hypothesis-Testing Approach

A method in research that involves making predictions, formulating a hypothesis, and then empirically testing it.

Nonmanipulated Independent Variable

A variable in a research study that occurs naturally without any intervention or control by the researcher.

Subject Variable

A variable that represents characteristics or conditions that vary within the subjects of a study, such as age, gender, or test scores.